Carbon brush for an electrical machine in a vehicle
US6268679A · kind A · utility
3Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2000 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Feb 28, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to carbon brushes for electrical machines with commutator in a vehicle with a 36 volt electrical system. According to the invention, the specific electrical resistance of a carbon brush that can be used in a starter motor is greater than 1,000 .mu..OMEGA.cm, the specific electrical resistance of a carbon brush that can be used in an auxiliary electric motor or an alternator is greater than 10,000 .mu..OMEGA.cm, and the specific electrical resistance of a carbon brush that can be used in a fuel pump motor is greater than 20,000 .mu..OMEGA.cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.